Obtaining by coprecipitation method complex oxide compounds with the garnet structure with stoichiometric and nonstoichiometric composition for the LEDs emitting white color

  • Yuliya V. Bokshyts Research Institute for Physical Chemical problems of the Belarusian State University, Leningradskaya street, 14, 220006, Minsk
  • Mikhail V. Korjik Research Institute for Nuclear Problems of Belarusian State University, Bobruiskaya street, 11, 220030, Minsk
  • Yauhen V. Tratsiak Research Institute for Physical Chemical problems of the Belarusian State University, Leningradskaya street, 14, 220006, Minsk
  • Gvidona P. Shevchenko Research Institute for Physical Chemical problems of the Belarusian State University, Leningradskaya street, 14, 220006, Minsk

Abstract

New compounds with garnet structure, activated by cerium, with stoichiometric and non-stoichiometric composition were synthesized by using of colloid-chemical approach. The possibility of using homo- and heterovalent substitution of Y3+ and Al3+ in garnet structure and introduction of the substituent cations in a form of hydrosols of their oxides for tuning of spectral-luminescence properties of the garnets was shown. Developed Y1.5La1.5Al2(AlO4)3 : Ce and Y2MgAlGe(AlO4)3 : Ce phosphors may be perspective for using in a power efficient light sources with improved color characteristics.

Author Biographies

Yuliya V. Bokshyts, Research Institute for Physical Chemical problems of the Belarusian State University, Leningradskaya street, 14, 220006, Minsk

PhD (chemistry); researcher at the laboratory of nanochemistry

Mikhail V. Korjik, Research Institute for Nuclear Problems of Belarusian State University, Bobruiskaya street, 11, 220030, Minsk

doctor of science (physics and mathematics); head of the laboratory of experimental high energy physics

Yauhen V. Tratsiak, Research Institute for Physical Chemical problems of the Belarusian State University, Leningradskaya street, 14, 220006, Minsk

PhD (chemistry); senior researcher at the laboratory of nanochemistry

Gvidona P. Shevchenko, Research Institute for Physical Chemical problems of the Belarusian State University, Leningradskaya street, 14, 220006, Minsk

PhD (chemistry), docent; leading researcher at the laboratory of nanochemistry

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Published
2017-11-29
Keywords: light-emitting diode, coprecipitation, garnets, substitution, luminescence
Supporting Agencies The work was supported by Belarusian Republican Foundation for Fundamental Research (grant number X17D-012).
How to Cite
Bokshyts, Y. V., Korjik, M. V., Tratsiak, Y. V., & Shevchenko, G. P. (2017). Obtaining by coprecipitation method complex oxide compounds with the garnet structure with stoichiometric and nonstoichiometric composition for the LEDs emitting white color. Journal of the Belarusian State University. Chemistry, 1, 74-81. Retrieved from https://journals.bsu.by/index.php/chemistry/article/view/1160
Issue
No 1 (2017): Journal of the Belarusian State University. Chemistry
Section
Original Articles

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